. ♪ >>> the senate house intelligence committees have begun their investigation of the david petraeus affair. interviews today behind closed doors, as rob roth reports, president obama made his first public remarks since the cia director resigned last friday. >>> in his first press conference since his reelection, the first question was about the sex scandal involving former cia director, david petraeus. >> i have no evidence at this point, from what i've seen, that classified information was disclosed that in any way would have had a negative impact on our national security. >> reporter: word from washington is petraeus has agreed to testify this week, possibly as soon as tomorrow, before a congressional inquiry into the deadly attacks in benghazi. republicans began calls for a watergate style investigation into the attacks. >> what did the president know? when did he know it? and what did he do about it? >> reporter: reports also surfaced that the fbi found classified military documents at the home of paula broadwell. her security clearance was suspended. jill kelley, the woman who